Make sure you have understood everything in this section (Lessons D11, D12, D13, D14, and D15).
Use the Self-Check below, and the Self-Check & Lesson Review Tips to guide your learning.
This is also a good time to visit your Section 3 Checklist to make sure you have completed all the recommended learning activities.

Unit D Section 3 Self-Check

Instructions


Complete the following 6 steps. Don't skip steps – if you do them in order, you will confirm your understanding of this section and create a study bank for the future.

  1. DOWNLOAD the self-check quiz by clicking here.

  2. ANSWER all the questions on the downloaded quiz in the spaces provided. Think carefully before typing your answers. Review the lessons of this section if you need to. Save your quiz when you are done.

  3. COMPARE your answers with the suggested "Self-Check Quiz Answers" below. WAIT! You didn't skip step 2, did you? It's very important to carefully write out your own answers before checking the suggested answers.

  4. REVISE your quiz answers if you need to. If you answered all the questions correctly, you can skip this step. Revise means to change, fix, and add extra notes if you need to. This quiz is NOT FOR MARKS, so it is perfectly OK to correct any mistakes you made. This will make your self-check quiz an excellent study tool you can use later.

  5. SAVE your quiz to a folder on your computer, or to your Private Files. That way you will know where it is for later studying.

  6. CHECK with your teacher if you need to. If after completing all these steps you are still not sure about the questions or your answers, you should ask for more feedback from your teacher. To do this, post in the Course Questions Forum, or send your teacher an email. In either case, attach your completed quiz and ask; "Can you look at this quiz and give me some feedback please?" They will be happy to help you!

Self-Check Time!

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Self-Check Quiz Answers

Click each of the suggested answers below, and carefully compare your answers to the suggested answers.

If you have not done the quiz yet – STOP – and go back to step 1 above. Do not look at the answers without first trying the questions.

Several properties are important to consider in the design of a water bottle.
  • The material must be resistant to water because the bottle should not change shape when it is exposed to water nor should it dissolve (melt).
  • The hardness of the bottle should also be considered because a reusable bottle should not break easily.
  • The company might think about the cost of the bottle materials so that the bottle is not too expensive for customers.
  • It might also think about the aesthetics of the bottle, making its appearance appealing to customers.
Laminated wood has several advantages.
  • Layers of laminated wood are stronger than pure wood is.
  • The thin layers of laminated wood can be curled to form the lips on the ends of a skateboard.
The bricks of the pyramids are joined with the friction that occurs where the bricks touch each other.
Humans have several types of mobile joints.
  • Rotating ball and socket joints of the shoulders allow people to move their arms to do things such as throw a ball.
  • Hinge joints at the knees and elbows help people to walk and run.
  • Glide joints at the wrists let people move their hands in many directions to do activities such as write or play musical instruments.
  • Pivot joints at the spine, neck, and hips allow people to turn their bodies in various directions.
Skin protects the body in many ways.
  • Skin is a protective layer that stops harmful bacteria from entering the body.
  • Skin prevents water from leaving the body, preventing dehydration.
  • Skin controls body temperature so a person does not become too hot or cold.
  • Pigments in the skin protect the body from the sun’s harmful UV rays.